"Lambs to the slaughter here." - Marcia Donnelly

Four West Baltimore boys wrestle with what to do with the rest of their summer vacation as the new fall school year approaches. Bodie deals with his corner running slower than usual so he decides to take on a runner. Marlo believes he has finally solved the problem that Stringer could never figure out. Freamon, Greggs, and Sydnor go to Pearlman to see if she will issue City Hall subpoenas. Meanwhile, the mayoral race heats up as Mayor Royce and his primary challenger, Tommy Carcetti each hit campaign trail. Prez begins preparing for his new career in higher education, while McNulty ends up turning down a promotion.

"Don't try this shit at home." - Norman Wilson

Carcetti responds to a campaign smear. Randy is accused of a serious transgression. Colvin's special class gets its first enlistees.

"Might as well dump 'em, get another." - Proposition Joe

Herc and Dozerman search for Little Kevin; Omar gets out of jail; Carcetti has his first meeting with the City Council; Prez and the teachers begin teaching the test; Proposition Joe lets Marlo know Major Crimes is after him; Bubbles looks to Kima and Herc to help him out; Bubbles delivers Little Kevin to Herc; Old Face Andre goes into hiding but Proposition Joe sells him out; Bug's father gets in Michael's face; Michael takes his problems to Marlo; Daniels and Valchek gets promoted; Omar and Renaldo monitor Marlo's activities.

"World goin' one way, people another." -Poot

Walker catches Donut boosting cars and teaches him a lesson; Commissioner Burrell gets advice from Senator Davis; Little Kevin has a talk with Marlo and regrets it; Herc ignores Bubbles call and regrets it; the Area Superintendent questions the success of Colvin and Parenti's project class; Senator Davis attempts to con Carcetti; Carver arrests Namond but keeps him out of baby booking; Burrell has the police force juke the numbers with street sweeps; Marlo puts the word out that Randy is a snitch; Elena sees McNulty as a grown up; Chris Partlow and Snoop target Bug's father for Michael.

"That all there is to it?" - Bubbles

While searching for the missing bodies, Freamon goes around the chain of command after being rebuked by Landsman. Carcetti finds that his promises of raises could be undermined by the school debt, forcing him to consider groveling before the Governor for money to pay it off. Colvin tries to keep his experimental class funded. Bubbles considers taking extreme measures to get rid of the man who continues to steal from him. Prez is concerned about Dukie's academic promotion. Omar orchestrates another big sting while Namond and Cutty get a first-hand taste of the "new" Michael. Carver's promise to look out for Randy ends up looking empty.

"The bigger the lie, the more they believe." - Bunk Moreland.

McNulty and the detail continue to stake out Marlo and his crew. Recently promoted Sergeant Carver is met with complaints concerning unpaid overtime. Meanwhile, Haynes deals with cutbacks, but is still able to expose a politician's connection to a drug dealer; and Joe, Marlo, Fatface Rick meet to divide up the drug trade across Baltimore.

"Buyer's market out there." - Templeton

Omar plots his revenge for his former associates murder now that he's returned from exile. Gus stresses the need for a city-court reporter, after missing out on a grand jury probe. Carcetti finds there are strings attached in his desire to get rid of Burrell. While McNulty investigates the deaths of homeless men, Freamon needs the help of an old friend. Also, Marlo looks to the future in his dealings with the Greeks.

"Just because they're in the street doesn't mean they lack opinions." - Haynes

While the crew awaits a showdown with Omar, Marlo celebrates a business deal. Meanwhile, at the Sun, McNulty and Freamon take advantage of a development regarding the murder of the homeless people, while Dukie heads to Cutty's gym. Also, Herc does Carver a favor as a means to make amends for his past behavior, while Davis takes his case to the court of public opinion.

"A lie ain't a side of a story. It's just a lie." - Terry Hanning

A shift in the police department sends Carver to a new location. Meanwhile, Carcetti is forced to put his political future in jeopardy, Haynes digs deeper into Templeton's work, and an important case has a breakthrough by Sydnor, while Fletcher continues working with Bubbles.

"Deserve got nuthin' to do with it." - Snoop

A promising lead makes Freamon's hard work worthwhile, although McNulty doesn't feel like a celebration. Michael is suspicious about his latest assignment;.Haynes gets fresh eyes to help with fact-checking. Namond's debating skills make Colvin proud. Davis points a finger at Levy and the courts. And Bubbles recounts a recent temptation overcome.

"...the life of kings." - H.L. Mencken

A damaging report by Pearlman and Daniels gets a reaction from Carcetti, while Haynes finds little support for his concerns about a reporters work from the bosses. Meanwhile, McNulty wants to put a homeless case to an end, Dukie searches for an old mentor and a fallen officer is given a wake.